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85w-140 or 75w-90 for ECGS Bushing? Has your Diff breather started leaking?

Discussion in '2nd Gen. Tacomas (2005-2015)' started by TnShooter, Apr 29, 2021.

  1. Apr 29, 2021 at 4:33 AM
    #1
    TnShooter

    TnShooter [OP] Well-Known Member

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    ECGS recommends 85w-140
    I’ve seen a few post where some guys have used it and had the Diff breather leak?
    The theory is, the 85w140 is thicker. And in cold weather it wants to stay breather hose and not drain back into the Diff. Then the next time you drive the truck.
    The oil heats up, creating pressure and pushing the oil in the tube (cold) out of the breather.

    Do you you 75w-90 or 85w-140?
    Do you have the ECGS bushing installed?
    Have you had the Diff breather leak?
     
  2. Apr 29, 2021 at 4:38 AM
    #2
    rnish

    rnish Well-Known Member

    Joined:
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    Pro Suspension (Bilstein), OME Dakar (med), armor
    ECGS bushing installed, used Lucas 85w-140, no diff breather leak
     
    TnShooter [OP] likes this.
  3. Apr 29, 2021 at 4:41 AM
    #3
    zippsub9

    zippsub9 Well-Known Member

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    Shit bolted onto other shit, and junk.
    85w

    bushing yes.

    I only had breather backup when my ARB seal was bad and it was burping fluid up the breather hose.
     
    TnShooter [OP] likes this.
  4. Apr 29, 2021 at 4:44 AM
    #4
    fourfourone

    fourfourone Well-Known Member

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    Just did my bushing a week ago. I used 85. I reached out to ECGS explaining that I live in the northeast and regularly will see 0 degree temps in the winter. they still recommended the 85w. We have had some 30ish degree weather over night and haven't noticed 1 drop of diff fluid anywhere.
     
    TnShooter [OP] likes this.
  5. Apr 29, 2021 at 9:01 AM
    #5
    Sna

    Sna Well-Known Member

    Joined:
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    Alberta
    Vehicle:
    ‘15 trd sport 6MT dcsb 4.56 gears w/Harrop e-lockers
    I used Lucas 85w-140 for the break in of my new ECGS gears and lockers. I then switched to the alternatively recommended Lucas 80w-90 since I live in central Alberta because it gets cold in the winter.

    No leaking with either oil.
     

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